Home / 713,952,012.30-1,070,928,018.45-386,300,921.10

Finding the Fourth Proportional to 713,952,012.30, 1,070,928,018.45 and 386,300,921.10

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Solution

The fourth proportional to 713,952,012.30, 1,070,928,018.45 and 386,300,921.10 is: 579,451,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,952,012.30 : 1,070,928,018.45 = 386,300,921.10 : x
  2. Step 2: Convert to fraction form
    713,952,012.30/1,070,928,018.45 = 386,300,921.10/x
  3. Step 3: Cross multiply
    713,952,012.30x = 1,070,928,018.45 × 386,300,921.10
  4. Step 4: Simplify right side
    713,952,012.30x = 413,700,479,959,032,832
  5. Step 5: Solve for x
    x = 413,700,479,959,032,832/713,952,012.30
  6. Step 6: Final answer
    x = 579,451,381.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.